Troubleshooting
IO Conguration page
The IO Conguration page provides comprehensive print server status. It is an important diagnostic tool,
especially if network communications are not available. For a description of messages that may appear on the
IO Conguration page, see the HP Jetdirect Print Servers Administrator’s Guide for your print server model.
To print the IO Conguration page, go to the front panel and press , then Connectivity > Print
Connectivity Conguration.
To verify correct operation:
1. Print an IO Conguration page to check for status messages.
2. In the upper section of the IO Conguration page, look for the status message I/O Card Ready.
3. If I/O Card Ready appears, the print server is operating properly. Proceed to the next section.
If a message other than I/O Card Ready appears, try the following:
a. Turn the printer o and then on again to re-initialize the print server.
b. Check that the status indicator lights (LEDs) are providing proper status.
See the HP Jetdirect Print Servers Administrator’s Guide for your print server model to interpret and
troubleshoot other messages.
Reset network parameters
If you accidentally miscongured the printer’s network settings, they can be reset to factory default values by
pressing , then , then , then Restore factory settings.
CAUTION: A factory-installed HP Jetdirect X.509 certicate will be saved during reset to factory default
values. However, a Certicate Authority (CA) certicate that has been installed by the user to validate a
network authentication server will not be saved.
Link troubleshooting
The printer has status lights (LEDs) beside the network connector that indicate the link status and network
activity.
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When the green light is on, the printer has successfully linked to the network.
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When the yellow light is blinking, there is network transmission activity.
If the printer does not successfully connect to the network:
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Both LEDs will be o.
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LAN Error – Loss of Carrier will be indicated on the IO Conguration page.
In this situation, try the following:
1. Check the cable connections at both ends.
2. Consider replacing the cables by known good ones.
ENWW Troubleshooting 71